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natta225 [31]
3 years ago
7

What is the largest natural barrier to infection?

Biology
1 answer:
Anna35 [415]3 years ago
3 0
Skin is the Largest barrier agaisnt Pathogens which include Bacteria which cause infections.
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¿Cual de las siguientes especies se reproduce por fecundación interna ?
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Only cats are capable of internal fertilization from the given choices above.

Internal fertilization is the fusion of gametes within an organism. This process occurs during sexual reproduction within the female.

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In cats, the female specie takes in reproductive cells from the male during coitus and it fertilizes the her eggs to produce a zygote.

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